Promise Technology VessRAID 1720i User Manual

Chapter 8: Technology Background
265
RAID 0
A RAID 0 source logical drive can migrate to the following target logical drives:
Target Requirements
RAID 0 Add physical drives.
RAID 1 2 physical drives only.
Only a single-drive RAID 0 can migrate to RAID 1 by adding 1
physical drive.
RAID 1E 3 or more physical drives.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 5 3 physical drives minimum, 16 maximum.
RAID 0 must have less than 16 physical drives.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 6 4 physical drives minimum, 16 maximum.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 10 4 physical drives minimum.
Even number of physical drives.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 50 6 physical drives minimum, 32 per axle maximum.
If existing physical drives have no unused space, add 1 or
more physical drives.
RAID 60 8 physical drives minimum, 32 per axle maximum.
If existing physical drives have no unused space, add 1 or
more physical drives.

Promise Technology VessRAID 1720i Specifications

General

Brand	Promise Technology
Model	VessRAID 1720i
Category	Enclosure
Language	English